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Paper Abstract and Keywords
Presentation 2005-07-22 10:45
Relations Among Notions of Security for Identity Based Encryption Schemes
Peng Yang (Univ. of Tokyo), Goichiro Hanaoka (AIST/Univ. of Tokyo), Yang Cui, Rui Zhang, Nuttapong Attrapadung, Kanta Matsuura (Univ. of Tokyo), Hideki Imai (Univ. of Tokyo/AIST)
Abstract (in Japanese) (See Japanese page) 
(in English) We prove the equivalences among indistinguishability, semantic security and non-malleability under adaptive chosen identity and adaptive chosen ciphertext attacks. It relies on these equivalences that the researches on identity based encryption schemes are blossoming over past several years. We also describe formal definitions of notions of security for identity based encryption schemes.
Keyword (in Japanese) (See Japanese page) 
(in English) identity based encryption / notions of security / equivalence / chosen identity attack / / / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 194, ISEC2005-46, pp. 25-32, July 2005.
Paper # ISEC2005-46 
Date of Issue 2005-07-15 (ISEC) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee ISEC IPSJ-CSEC SITE  
Conference Date 2005-07-21 - 2005-07-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Iwate Prefectural University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ISEC 
Conference Code 2005-07-ISEC-IPSJ-CSEC-SITE 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Relations Among Notions of Security for Identity Based Encryption Schemes 
Sub Title (in English)  
Keyword(1) identity based encryption  
Keyword(2) notions of security  
Keyword(3) equivalence  
Keyword(4) chosen identity attack  
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1st Author's Name Peng Yang  
1st Author's Affiliation The University of Tokyo (Univ. of Tokyo)
2nd Author's Name Goichiro Hanaoka  
2nd Author's Affiliation The University of Tokyo (AIST/Univ. of Tokyo)
3rd Author's Name Yang Cui  
3rd Author's Affiliation The University of Tokyo (Univ. of Tokyo)
4th Author's Name Rui Zhang  
4th Author's Affiliation The University of Tokyo (Univ. of Tokyo)
5th Author's Name Nuttapong Attrapadung  
5th Author's Affiliation The University of Tokyo (Univ. of Tokyo)
6th Author's Name Kanta Matsuura  
6th Author's Affiliation The University of Tokyo (Univ. of Tokyo)
7th Author's Name Hideki Imai  
7th Author's Affiliation The University of Tokyo (Univ. of Tokyo/AIST)
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Speaker Author-1 
Date Time 2005-07-22 10:45:00 
Presentation Time 25 minutes 
Registration for ISEC 
Paper # ISEC2005-46 
Volume (vol) vol.105 
Number (no) no.194 
Page pp.25-32 
#Pages 8 
Date of Issue 2005-07-15 (ISEC) 

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